*SUPPORT*
IN: kiki fep wif tufa blicket OUT: RED RED GREEN GREEN PURPLE
IN: wif OUT: GREEN
IN: wif blicket zup OUT: GREEN RED BLUE
IN: blicket OUT: RED
IN: blicket lug OUT: RED RED
IN: blicket fep kiki lug OUT: PURPLE RED PURPLE RED
IN: blicket kiki lug lug OUT: RED PURPLE RED PURPLE RED PURPLE RED PURPLE
IN: blicket tufa wif OUT: GREEN GREEN RED RED
IN: kiki OUT: PURPLE
IN: zup lug OUT: BLUE BLUE
IN: zup wif OUT: BLUE GREEN
IN: kiki lug lug OUT: PURPLE PURPLE PURPLE PURPLE
IN: blicket wif zup blicket OUT: RED GREEN BLUE RED
IN: wif zup fep zup fep blicket OUT: GREEN RED BLUE BLUE

*QUERY*
IN: kiki tufa blicket OUT: RED RED PURPLE PURPLE
IN: blicket kiki tufa wif OUT: RED GREEN GREEN PURPLE PURPLE
IN: kiki fep kiki OUT: PURPLE PURPLE
IN: wif tufa kiki OUT: PURPLE PURPLE GREEN GREEN
IN: wif tufa kiki lug OUT: PURPLE PURPLE GREEN GREEN PURPLE PURPLE GREEN GREEN
IN: wif fep wif tufa blicket OUT: RED RED GREEN GREEN GREEN
IN: kiki kiki tufa blicket OUT: PURPLE RED RED PURPLE PURPLE
IN: wif fep blicket blicket OUT: RED RED GREEN
IN: zup OUT: BLUE
IN: blicket tufa blicket OUT: RED RED RED RED

*GRAMMAR*
blicket -> RED 
 wif -> GREEN 
 zup -> BLUE 
 kiki -> PURPLE 
 u1 tufa u2 -> [u2] [u2] [u1] [u1] 
 x1 lug -> [x1] [x1] 
 u1 fep x1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 